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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package html

// Section 12.2.3.2 of the HTML5 specification says "The following elements
// have varying levels of special parsing rules".
// http://www.whatwg.org/specs/web-apps/current-work/multipage/parsing.html#the-stack-of-open-elements
var isSpecialElementMap = map[string]bool{
        "address":    true,
        "applet":     true,
        "area":       true,
        "article":    true,
        "aside":      true,
        "base":       true,
        "basefont":   true,
        "bgsound":    true,
        "blockquote": true,
        "body":       true,
        "br":         true,
        "button":     true,
        "caption":    true,
        "center":     true,
        "col":        true,
        "colgroup":   true,
        "command":    true,
        "dd":         true,
        "details":    true,
        "dir":        true,
        "div":        true,
        "dl":         true,
        "dt":         true,
        "embed":      true,
        "fieldset":   true,
        "figcaption": true,
        "figure":     true,
        "footer":     true,
        "form":       true,
        "frame":      true,
        "frameset":   true,
        "h1":         true,
        "h2":         true,
        "h3":         true,
        "h4":         true,
        "h5":         true,
        "h6":         true,
        "head":       true,
        "header":     true,
        "hgroup":     true,
        "hr":         true,
        "html":       true,
        "iframe":     true,
        "img":        true,
        "input":      true,
        "isindex":    true,
        "li":         true,
        "link":       true,
        "listing":    true,
        "marquee":    true,
        "menu":       true,
        "meta":       true,
        "nav":        true,
        "noembed":    true,
        "noframes":   true,
        "noscript":   true,
        "object":     true,
        "ol":         true,
        "p":          true,
        "param":      true,
        "plaintext":  true,
        "pre":        true,
        "script":     true,
        "section":    true,
        "select":     true,
        "style":      true,
        "summary":    true,
        "table":      true,
        "tbody":      true,
        "td":         true,
        "textarea":   true,
        "tfoot":      true,
        "th":         true,
        "thead":      true,
        "title":      true,
        "tr":         true,
        "ul":         true,
        "wbr":        true,
        "xmp":        true,
}

func isSpecialElement(element *Node) bool {
        switch element.Namespace {
        case "", "html":
                return isSpecialElementMap[element.Data]
        case "svg":
                return element.Data == "foreignObject"
        }
        return false
}